AU2002212002C1 - Method and apparatus for improving reception in multiple access communication systems - Google Patents
Method and apparatus for improving reception in multiple access communication systems Download PDFInfo
- Publication number
- AU2002212002C1 AU2002212002C1 AU2002212002A AU2002212002A AU2002212002C1 AU 2002212002 C1 AU2002212002 C1 AU 2002212002C1 AU 2002212002 A AU2002212002 A AU 2002212002A AU 2002212002 A AU2002212002 A AU 2002212002A AU 2002212002 C1 AU2002212002 C1 AU 2002212002C1
- Authority
- AU
- Australia
- Prior art keywords
- signal
- transmitter
- receiver
- received power
- power level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 51
- 238000004891 communication Methods 0.000 title claims description 38
- 230000002452 interceptive effect Effects 0.000 claims description 83
- 230000005540 biological transmission Effects 0.000 description 28
- 101100219439 Schizosaccharomyces pombe (strain 972 / ATCC 24843) cao1 gene Proteins 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 101150052500 cic-1 gene Proteins 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006235838A AU2006235838A1 (en) | 2000-10-11 | 2006-11-03 | Method and apparatus for improving reception in multiple access communication systems |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2,323,164 | 2000-10-11 | ||
CA002323164A CA2323164A1 (en) | 2000-10-11 | 2000-10-11 | Method, system and apparatus for improving reception in multiple access communication systems |
PCT/CA2001/001413 WO2002032003A1 (en) | 2000-10-11 | 2001-10-05 | Method and apparatus for improving reception in multiple access communication systems |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2006235838A Division AU2006235838A1 (en) | 2000-10-11 | 2006-11-03 | Method and apparatus for improving reception in multiple access communication systems |
Publications (3)
Publication Number | Publication Date |
---|---|
AU2002212002A1 AU2002212002A1 (en) | 2002-06-27 |
AU2002212002B2 AU2002212002B2 (en) | 2006-11-09 |
AU2002212002C1 true AU2002212002C1 (en) | 2009-06-18 |
Family
ID=4167367
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU1200202A Pending AU1200202A (en) | 2000-10-11 | 2001-10-05 | Method and apparatus for improving reception in multiple access communication systems |
AU2002212002A Ceased AU2002212002C1 (en) | 2000-10-11 | 2001-10-05 | Method and apparatus for improving reception in multiple access communication systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU1200202A Pending AU1200202A (en) | 2000-10-11 | 2001-10-05 | Method and apparatus for improving reception in multiple access communication systems |
Country Status (8)
Country | Link |
---|---|
US (2) | US6952589B1 (zh) |
EP (1) | EP1327310A1 (zh) |
JP (1) | JP2004511189A (zh) |
CN (2) | CN1960195A (zh) |
AU (2) | AU1200202A (zh) |
CA (1) | CA2323164A1 (zh) |
MX (1) | MXPA03003259A (zh) |
WO (1) | WO2002032003A1 (zh) |
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US7952511B1 (en) | 1999-04-07 | 2011-05-31 | Geer James L | Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns |
JP2003174400A (ja) * | 2001-12-06 | 2003-06-20 | Ntt Docomo Inc | 移動通信端末、干渉除去システム、干渉除去方法、及び基地局 |
FI20020154A0 (fi) * | 2002-01-28 | 2002-01-28 | Nokia Corp | Hõiri÷npoisto radiojõrjestelmõn vastaanottimessa |
US20040042433A1 (en) * | 2002-08-30 | 2004-03-04 | Celite Systems, Inc., (A Delaware Corporation) | Distributed wireless digital subscriber line network |
FR2865603A1 (fr) * | 2004-01-26 | 2005-07-29 | Nec Technologies Uk Ltd | Procede de rejection des interferences intracellulaires |
FR2866507B1 (fr) * | 2004-02-16 | 2006-05-05 | Wavecom | Signal de radiotelephonie cellulaire permettant une synchronisation au niveau sous-trame d'un canal supplementaire a l'aide d'un canal principal, procede, mobile et station de base correspondants. |
US20050271005A1 (en) * | 2004-06-03 | 2005-12-08 | Samsung Electronics Co., Ltd. | CDMA network and related method using adaptive coding rate to maximize Walsh code usage |
EP1605655A3 (en) * | 2004-06-07 | 2008-02-27 | Broadcom Corporation | Upstream power cutback |
GB2416957B (en) * | 2004-07-30 | 2006-11-15 | Ubinetics Ltd | Facilitating reference signal cancellation |
KR100875328B1 (ko) * | 2004-08-24 | 2008-12-22 | 샤프 가부시키가이샤 | 수신 장치 및 송신 장치 |
US7529218B2 (en) * | 2004-08-25 | 2009-05-05 | Cisco Technology, Inc. | High density WLAN system |
US20060099912A1 (en) * | 2004-10-27 | 2006-05-11 | Binzel Charles P | Apparatus and method for transmit power level reporting with reduced interference |
AU2006200464A1 (en) * | 2005-02-08 | 2006-08-24 | Nec Australia Pty Ltd | Interference cancellation in a spread spectrum receiver |
US9071344B2 (en) | 2005-08-22 | 2015-06-30 | Qualcomm Incorporated | Reverse link interference cancellation |
US8611305B2 (en) | 2005-08-22 | 2013-12-17 | Qualcomm Incorporated | Interference cancellation for wireless communications |
GB0704099D0 (en) * | 2007-03-02 | 2007-04-11 | Vodafone Plc | Arrangement and technique for interference mitigation |
US8737451B2 (en) * | 2007-03-09 | 2014-05-27 | Qualcomm Incorporated | MMSE MUD in 1x mobiles |
JP5069160B2 (ja) * | 2008-03-26 | 2012-11-07 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける基地局装置、ユーザ装置及び方法 |
US20100046660A1 (en) | 2008-05-13 | 2010-02-25 | Qualcomm Incorporated | Interference cancellation under non-stationary conditions |
US9408165B2 (en) | 2008-06-09 | 2016-08-02 | Qualcomm Incorporated | Increasing capacity in wireless communications |
US9867203B2 (en) * | 2008-07-11 | 2018-01-09 | Qualcomm Incorporated | Synchronous TDM-based communication in dominant interference scenarios |
US9277487B2 (en) * | 2008-08-01 | 2016-03-01 | Qualcomm Incorporated | Cell detection with interference cancellation |
US9237515B2 (en) | 2008-08-01 | 2016-01-12 | Qualcomm Incorporated | Successive detection and cancellation for cell pilot detection |
US8503591B2 (en) | 2008-08-19 | 2013-08-06 | Qualcomm Incorporated | Enhanced geran receiver using channel input beamforming |
US8509293B2 (en) | 2008-08-19 | 2013-08-13 | Qualcomm Incorporated | Semi-coherent timing propagation for GERAN multislot configurations |
US9160577B2 (en) | 2009-04-30 | 2015-10-13 | Qualcomm Incorporated | Hybrid SAIC receiver |
US9253651B2 (en) * | 2009-05-01 | 2016-02-02 | Qualcom Incorporated | Transmission and detection of overhead channels and signals in a wireless network |
US8787509B2 (en) | 2009-06-04 | 2014-07-22 | Qualcomm Incorporated | Iterative interference cancellation receiver |
US8331965B2 (en) * | 2009-06-12 | 2012-12-11 | Qualcomm Incorporated | Methods and apparatus for controlling resource use in a wireless communications system |
US8831149B2 (en) | 2009-09-03 | 2014-09-09 | Qualcomm Incorporated | Symbol estimation methods and apparatuses |
US8619928B2 (en) | 2009-09-03 | 2013-12-31 | Qualcomm Incorporated | Multi-stage interference suppression |
EP2494698A4 (en) * | 2009-10-28 | 2015-03-25 | Lenovo Innovations Ltd Hong Kong | METHOD FOR SUPPRESSING SYNCHRONIZATION CHANNEL INTERFERENCES IN A MOBILE COMMUNICATION SYSTEM |
CN102668612B (zh) | 2009-11-27 | 2016-03-02 | 高通股份有限公司 | 增加无线通信中的容量 |
BR112012012632B1 (pt) | 2009-11-27 | 2020-12-15 | Qualcomm Incorporated | Método e equipamento para aumentar a capacidade de transmissão em comunicações sem fio, e memória legível por computador |
US9609536B2 (en) * | 2010-04-13 | 2017-03-28 | Qualcomm Incorporated | Measurement of received power and received quality in a wireless communication network |
IL216736A0 (en) * | 2011-12-01 | 2012-01-31 | Alvarion Ltd | Method and system for affecting power control in a wireless network |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5835489A (en) * | 1994-01-31 | 1998-11-10 | Matsushita Electric Industrial Co., Ltd. | CDMA communication system |
US6034986A (en) * | 1997-03-26 | 2000-03-07 | Dspc Technologies Ltd. | Method and apparatus for reducing spread spectrum noise |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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CA1320535C (en) * | 1988-02-29 | 1993-07-20 | Kazuzi Watanabe | Interference cancellation circuit |
US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5235612A (en) | 1990-12-21 | 1993-08-10 | Motorola, Inc. | Method and apparatus for cancelling spread-spectrum noise |
US5224122A (en) * | 1992-06-29 | 1993-06-29 | Motorola, Inc. | Method and apparatus for canceling spread-spectrum noise |
US5553062A (en) * | 1993-04-22 | 1996-09-03 | Interdigital Communication Corporation | Spread spectrum CDMA interference canceler system and method |
JP2857028B2 (ja) | 1993-06-08 | 1999-02-10 | 三菱電機株式会社 | 路車間通信方法 |
JPH0879130A (ja) | 1994-09-01 | 1996-03-22 | Oki Electric Ind Co Ltd | 受信装置及びパイロット信号除去装置 |
US5740166A (en) * | 1996-03-18 | 1998-04-14 | Telefonaktiebolaget Lm Ericsson | United access channel for use in a mobile communications system |
US6898197B1 (en) * | 1997-02-28 | 2005-05-24 | Interdigital Technology Corporation | Geolocation of a mobile terminal in a CDMA communication system |
SE518224C2 (sv) * | 1997-06-24 | 2002-09-10 | Ericsson Telefon Ab L M | Sätt och system i ett cellbaserat nät |
JP3132427B2 (ja) * | 1997-07-11 | 2001-02-05 | 日本電気株式会社 | S/n測定回路,送信電力制御装置,及びディジタル通信システム |
US6359874B1 (en) | 1998-05-21 | 2002-03-19 | Ericsson Inc. | Partially block-interleaved CDMA coding and decoding |
US6498784B1 (en) * | 1998-10-20 | 2002-12-24 | Interdigital Technology Corporation | Cancellation of pilot and traffic signals |
KR100283379B1 (ko) * | 1998-11-16 | 2001-03-02 | 정선종 | 병렬 다단 간섭 제거 장치 |
US6728302B1 (en) | 1999-02-12 | 2004-04-27 | Texas Instruments Incorporated | STTD encoding for PCCPCH |
US6690944B1 (en) * | 1999-04-12 | 2004-02-10 | Nortel Networks Limited | Power control of a multi-subchannel mobile station in a mobile communication system |
JP2000307489A (ja) * | 1999-04-23 | 2000-11-02 | Matsushita Electric Ind Co Ltd | 無線受信装置及び受信タイミング検出方法 |
KR100346227B1 (ko) * | 1999-09-18 | 2002-08-01 | 삼성전자 주식회사 | 부호분할다중접속 이동통신시스템에서의 잡음전력 추정장치 및방법 |
FI111120B (fi) * | 1999-10-25 | 2003-05-30 | Nokia Corp | Ajoitusmenetelmä ja -järjestely taajuuksien välistä yhteydensiirtoa valmistelevien mittausten tekemiseksi |
JP2002084258A (ja) | 2000-06-23 | 2002-03-22 | Sanyo Electric Co Ltd | 通信装置 |
-
2000
- 2000-10-11 CA CA002323164A patent/CA2323164A1/en not_active Abandoned
- 2000-11-28 US US09/722,568 patent/US6952589B1/en not_active Expired - Fee Related
-
2001
- 2001-10-05 EP EP01980066A patent/EP1327310A1/en not_active Withdrawn
- 2001-10-05 WO PCT/CA2001/001413 patent/WO2002032003A1/en active Application Filing
- 2001-10-05 AU AU1200202A patent/AU1200202A/xx active Pending
- 2001-10-05 MX MXPA03003259A patent/MXPA03003259A/es active IP Right Grant
- 2001-10-05 AU AU2002212002A patent/AU2002212002C1/en not_active Ceased
- 2001-10-05 JP JP2002535281A patent/JP2004511189A/ja active Pending
- 2001-10-05 CN CNA2006101618492A patent/CN1960195A/zh active Pending
- 2001-10-05 CN CNB018200273A patent/CN1299436C/zh not_active Expired - Fee Related
-
2005
- 2005-06-22 US US11/157,851 patent/US7421279B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5835489A (en) * | 1994-01-31 | 1998-11-10 | Matsushita Electric Industrial Co., Ltd. | CDMA communication system |
US6034986A (en) * | 1997-03-26 | 2000-03-07 | Dspc Technologies Ltd. | Method and apparatus for reducing spread spectrum noise |
Also Published As
Publication number | Publication date |
---|---|
CN1478331A (zh) | 2004-02-25 |
MXPA03003259A (es) | 2004-03-18 |
US6952589B1 (en) | 2005-10-04 |
CN1299436C (zh) | 2007-02-07 |
WO2002032003A1 (en) | 2002-04-18 |
AU1200202A (en) | 2002-04-22 |
WO2002032003A9 (en) | 2003-06-26 |
CN1960195A (zh) | 2007-05-09 |
EP1327310A1 (en) | 2003-07-16 |
CA2323164A1 (en) | 2002-04-11 |
JP2004511189A (ja) | 2004-04-08 |
AU2002212002B2 (en) | 2006-11-09 |
US20050233698A1 (en) | 2005-10-20 |
US7421279B2 (en) | 2008-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGA | Letters patent sealed or granted (standard patent) | ||
DA2 | Applications for amendment section 104 |
Free format text: THE NATURE OF THE AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 28 NOV 2008. |
|
DA3 | Amendments made section 104 |
Free format text: THE NATURE OF THE AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 28 NOV 2008 |
|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |